Air compressor or similar article



FIG. 1 is a top, front and right side perspective view of an air compressor showing our new design;

FIG. 2 is a top, rear and left side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom view thereof; and

FIG. 9 is a front elevational view thereof with the air hose and electric cord shown broken away and partially omitted for clarity of illustration. 

The ornamental design for an air compressor or similar article, as shown and described. 